mirror of https://gitee.com/openkylin/linux.git
drm/msm/hdmi: rework hdmi configurations, using dt_match[]
In the same idea mdp5_cfg was added, this change allows us to quickly add new instances, such as apq8084's HDMI in this case. Signed-off-by: Stephane Viau <sviau@codeaurora.org> Signed-off-by: Rob Clark <robdclark@gmail.com>
This commit is contained in:
Stephane Viau
Rob Clark
parent
efbd349aeb
commit
5eba5d870f
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@ -3,6 +3,7 @@ Qualcomm adreno/snapdragon hdmi output
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Required properties:
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- compatible: one of the following
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* "qcom,hdmi-tx-8084"
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* "qcom,hdmi-tx-8074"
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* "qcom,hdmi-tx-8660"
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* "qcom,hdmi-tx-8960"
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- reg: Physical base address and length of the controller's registers
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@ -1,4 +1,5 @@
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/*
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* Copyright (c) 2014 The Linux Foundation. All rights reserved.
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* Copyright (C) 2013 Red Hat
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* Author: Rob Clark <robdclark@gmail.com>
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*
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@ -286,6 +287,57 @@ int hdmi_modeset_init(struct hdmi *hdmi,
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#include <linux/of_gpio.h>
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#define HDMI_CFG(item, entry) \
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.item ## _names = item ##_names_ ## entry, \
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.item ## _cnt = ARRAY_SIZE(item ## _names_ ## entry)
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static struct hdmi_platform_config hdmi_tx_8660_config = {
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.phy_init = hdmi_phy_8x60_init,
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};
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static const char *hpd_reg_names_8960[] = {"core-vdda", "hdmi-mux"};
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static const char *hpd_clk_names_8960[] = {"core_clk", "master_iface_clk", "slave_iface_clk"};
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static struct hdmi_platform_config hdmi_tx_8960_config = {
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.phy_init = hdmi_phy_8960_init,
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HDMI_CFG(hpd_reg, 8960),
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HDMI_CFG(hpd_clk, 8960),
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};
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static const char *pwr_reg_names_8x74[] = {"core-vdda", "core-vcc"};
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static const char *hpd_reg_names_8x74[] = {"hpd-gdsc", "hpd-5v"};
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static const char *pwr_clk_names_8x74[] = {"extp_clk", "alt_iface_clk"};
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static const char *hpd_clk_names_8x74[] = {"iface_clk", "core_clk", "mdp_core_clk"};
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static unsigned long hpd_clk_freq_8x74[] = {0, 19200000, 0};
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static struct hdmi_platform_config hdmi_tx_8074_config = {
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.phy_init = hdmi_phy_8x74_init,
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HDMI_CFG(pwr_reg, 8x74),
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HDMI_CFG(hpd_reg, 8x74),
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HDMI_CFG(pwr_clk, 8x74),
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HDMI_CFG(hpd_clk, 8x74),
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.hpd_freq = hpd_clk_freq_8x74,
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};
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static const char *hpd_reg_names_8084[] = {"hpd-gdsc", "hpd-5v", "hpd-5v-en"};
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static struct hdmi_platform_config hdmi_tx_8084_config = {
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.phy_init = hdmi_phy_8x74_init,
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HDMI_CFG(pwr_reg, 8x74),
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HDMI_CFG(hpd_reg, 8084),
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HDMI_CFG(pwr_clk, 8x74),
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HDMI_CFG(hpd_clk, 8x74),
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.hpd_freq = hpd_clk_freq_8x74,
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};
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static const struct of_device_id dt_match[] = {
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{ .compatible = "qcom,hdmi-tx-8084", .data = &hdmi_tx_8084_config },
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{ .compatible = "qcom,hdmi-tx-8074", .data = &hdmi_tx_8074_config },
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{ .compatible = "qcom,hdmi-tx-8960", .data = &hdmi_tx_8960_config },
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{ .compatible = "qcom,hdmi-tx-8660", .data = &hdmi_tx_8660_config },
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{}
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};
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#ifdef CONFIG_OF
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static int get_gpio(struct device *dev, struct device_node *of_node, const char *name)
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{
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@ -308,66 +360,31 @@ static int hdmi_bind(struct device *dev, struct device *master, void *data)
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{
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struct drm_device *drm = dev_get_drvdata(master);
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struct msm_drm_private *priv = drm->dev_private;
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static struct hdmi_platform_config config = {};
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static struct hdmi_platform_config *hdmi_cfg;
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struct hdmi *hdmi;
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#ifdef CONFIG_OF
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struct device_node *of_node = dev->of_node;
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const struct of_device_id *match;
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if (of_device_is_compatible(of_node, "qcom,hdmi-tx-8074")) {
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static const char *hpd_reg_names[] = {"hpd-gdsc", "hpd-5v"};
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static const char *pwr_reg_names[] = {"core-vdda", "core-vcc"};
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static const char *hpd_clk_names[] = {"iface_clk", "core_clk", "mdp_core_clk"};
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static unsigned long hpd_clk_freq[] = {0, 19200000, 0};
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static const char *pwr_clk_names[] = {"extp_clk", "alt_iface_clk"};
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config.phy_init = hdmi_phy_8x74_init;
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config.hpd_reg_names = hpd_reg_names;
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config.hpd_reg_cnt = ARRAY_SIZE(hpd_reg_names);
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config.pwr_reg_names = pwr_reg_names;
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config.pwr_reg_cnt = ARRAY_SIZE(pwr_reg_names);
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config.hpd_clk_names = hpd_clk_names;
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config.hpd_freq = hpd_clk_freq;
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config.hpd_clk_cnt = ARRAY_SIZE(hpd_clk_names);
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config.pwr_clk_names = pwr_clk_names;
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config.pwr_clk_cnt = ARRAY_SIZE(pwr_clk_names);
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} else if (of_device_is_compatible(of_node, "qcom,hdmi-tx-8084")) {
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static const char *hpd_reg_names[] = {"hpd-gdsc", "hpd-5v", "hpd-5v-en"};
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static const char *pwr_reg_names[] = {"core-vdda", "core-vcc"};
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static const char *hpd_clk_names[] = {"iface_clk", "core_clk", "mdp_core_clk"};
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static unsigned long hpd_clk_freq[] = {0, 19200000, 0};
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static const char *pwr_clk_names[] = {"extp_clk", "alt_iface_clk"};
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config.phy_init = hdmi_phy_8x74_init;
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config.hpd_reg_names = hpd_reg_names;
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config.hpd_reg_cnt = ARRAY_SIZE(hpd_reg_names);
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config.pwr_reg_names = pwr_reg_names;
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config.pwr_reg_cnt = ARRAY_SIZE(pwr_reg_names);
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config.hpd_clk_names = hpd_clk_names;
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config.hpd_freq = hpd_clk_freq;
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config.hpd_clk_cnt = ARRAY_SIZE(hpd_clk_names);
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config.pwr_clk_names = pwr_clk_names;
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config.pwr_clk_cnt = ARRAY_SIZE(pwr_clk_names);
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} else if (of_device_is_compatible(of_node, "qcom,hdmi-tx-8960")) {
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static const char *hpd_clk_names[] = {"core_clk", "master_iface_clk", "slave_iface_clk"};
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static const char *hpd_reg_names[] = {"core-vdda", "hdmi-mux"};
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config.phy_init = hdmi_phy_8960_init;
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config.hpd_reg_names = hpd_reg_names;
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config.hpd_reg_cnt = ARRAY_SIZE(hpd_reg_names);
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config.hpd_clk_names = hpd_clk_names;
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config.hpd_clk_cnt = ARRAY_SIZE(hpd_clk_names);
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} else if (of_device_is_compatible(of_node, "qcom,hdmi-tx-8660")) {
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config.phy_init = hdmi_phy_8x60_init;
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match = of_match_node(dt_match, of_node);
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if (match && match->data) {
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hdmi_cfg = (struct hdmi_platform_config *)match->data;
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DBG("hdmi phy: %s", match->compatible);
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} else {
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dev_err(dev, "unknown phy: %s\n", of_node->name);
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return -ENXIO;
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}
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config.mmio_name = "core_physical";
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config.ddc_clk_gpio = get_gpio(dev, of_node, "qcom,hdmi-tx-ddc-clk");
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config.ddc_data_gpio = get_gpio(dev, of_node, "qcom,hdmi-tx-ddc-data");
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config.hpd_gpio = get_gpio(dev, of_node, "qcom,hdmi-tx-hpd");
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config.mux_en_gpio = get_gpio(dev, of_node, "qcom,hdmi-tx-mux-en");
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config.mux_sel_gpio = get_gpio(dev, of_node, "qcom,hdmi-tx-mux-sel");
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config.mux_lpm_gpio = get_gpio(dev, of_node, "qcom,hdmi-tx-mux-lpm");
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hdmi_cfg->mmio_name = "core_physical";
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hdmi_cfg->ddc_clk_gpio = get_gpio(dev, of_node, "qcom,hdmi-tx-ddc-clk");
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hdmi_cfg->ddc_data_gpio = get_gpio(dev, of_node, "qcom,hdmi-tx-ddc-data");
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hdmi_cfg->hpd_gpio = get_gpio(dev, of_node, "qcom,hdmi-tx-hpd");
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hdmi_cfg->mux_en_gpio = get_gpio(dev, of_node, "qcom,hdmi-tx-mux-en");
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hdmi_cfg->mux_sel_gpio = get_gpio(dev, of_node, "qcom,hdmi-tx-mux-sel");
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hdmi_cfg->mux_lpm_gpio = get_gpio(dev, of_node, "qcom,hdmi-tx-mux-lpm");
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#else
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static struct hdmi_platform_config config = {};
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static const char *hpd_clk_names[] = {
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"core_clk", "master_iface_clk", "slave_iface_clk",
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};
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@ -413,12 +430,15 @@ static int hdmi_bind(struct device *dev, struct device *master, void *data)
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config.mux_en_gpio = -1;
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config.mux_sel_gpio = -1;
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}
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hdmi_cfg = &config;
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#endif
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dev->platform_data = &config;
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dev->platform_data = hdmi_cfg;
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hdmi = hdmi_init(to_platform_device(dev));
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if (IS_ERR(hdmi))
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return PTR_ERR(hdmi);
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priv->hdmi = hdmi;
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return 0;
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}
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@ -449,14 +469,6 @@ static int hdmi_dev_remove(struct platform_device *pdev)
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return 0;
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}
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static const struct of_device_id dt_match[] = {
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{ .compatible = "qcom,hdmi-tx-8084" },
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{ .compatible = "qcom,hdmi-tx-8074" },
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{ .compatible = "qcom,hdmi-tx-8960" },
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{ .compatible = "qcom,hdmi-tx-8660" },
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{}
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};
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static struct platform_driver hdmi_driver = {
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.probe = hdmi_dev_probe,
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.remove = hdmi_dev_remove,
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